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Mathematics, 28.08.2020 01:01 ErrorNameTaken505

From the observation deck of the lighthouse at Sasquatch Point 55 feet above the surface of Lake Ippizuti, a lifeguard spots a boat out on the lake sailing directly toward the light house. The first sighting had a angle of depression of 8.1 and the second sighting had an angle of depression of 25.7°. How far had the boat traveled between the sightings?

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From the observation deck of the lighthouse at Sasquatch Point 55 feet above the surface of Lake Ipp...
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